| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| indoor and outdoor air pollutants | 0.91 | 0.1 | 6110 | 26 | 33 |
| indoor | 0.1 | 0.8 | 7259 | 4 | 6 |
| and | 0.42 | 0.5 | 4577 | 25 | 3 |
| outdoor | 0.08 | 0.1 | 3416 | 3 | 7 |
| air | 1.37 | 0.4 | 851 | 66 | 3 |
| pollutants | 1.14 | 0.7 | 8568 | 43 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| indoor and outdoor air pollutants | 1.72 | 0.4 | 6230 | 30 |
